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Costco Wholesale Corp. /New (COST) Stock Fundamental Analysis & AI Rating 2026

COST Nasdaq Retail-Variety Stores WA CIK: 0000909832
Updated This Month • Analysis: Mar 19, 2026 • SEC Data: 2026-02-15
Combined AI Rating
BUY
81% Confidence
STRONG AGREEMENT
BUY
78% Conf
BUY
84% Conf

📊 COST Key Takeaways

Revenue: $136.9B
Net Margin: 2.9%
Free Cash Flow: $4.9B
Current Ratio: 1.06x
Debt/Equity: 0.18x
EPS: $9.08
AI Rating: BUY with 78% confidence
Costco Wholesale Corp. /New (COST) receives a BUY rating with 81% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $136.9B, net profit margin of 2.9%, and return on equity (ROE) of 12.6%, Costco Wholesale Corp. /New demonstrates strong fundamentals in the Consumer sector. Below is our complete COST stock analysis for 2026.

Is Costco Wholesale Corp. /New (COST) a Good Investment?

Claude

Costco demonstrates exceptional financial health with fortress-like balance sheet metrics (0.18x debt/equity, 74.5x interest coverage) and strong cash generation (4.9B FCF), though revenue growth has stalled at 0% YoY. The company's operational excellence is evident in high ROE (12.6%) and robust free cash flow conversion (3.6% FCF margin), providing a solid foundation despite current growth headwinds.

ChatGPT

Costco shows high-quality fundamentals built on consistent profitability, strong free cash flow generation, and a very conservative balance sheet with low leverage and ample cash. While the latest period shows flat revenue and net income, the business still converts sales efficiently for a low-margin retailer and maintains exceptional financial resilience, supporting a favorable long-term fundamental view.

Why Buy Costco Wholesale Corp. /New Stock? COST Key Strengths

Claude
  • + Exceptional balance sheet strength with minimal leverage (0.18x debt/equity) and substantial cash reserves (17.4B)
  • + Excellent cash flow generation with 4.9B free cash flow and strong operating cash flow of 7.7B
  • + High return on equity (12.6%) and return on assets (4.8%) demonstrating capital efficiency
  • + Outstanding interest coverage ratio of 74.5x indicating minimal financial distress risk
ChatGPT
  • + Strong balance sheet with $17.38B in cash, low debt/equity of 0.18x, and very high 74.5x interest coverage
  • + Reliable cash generation with $7.68B operating cash flow and $4.87B free cash flow
  • + Solid profitability for a scale retailer, including 12.0% gross margin, 3.7% operating margin, and 12.6% ROE

COST Stock Risks: Costco Wholesale Corp. /New Investment Risks

Claude
  • ! Revenue growth stalled at 0% YoY suggesting operational challenges or market saturation
  • ! Low quick ratio (0.59x) and tight current ratio (1.06x) may indicate working capital constraints
  • ! Thin net margin (2.9%) and low gross margin (12.0%) limits profitability cushion in competitive retail environment
  • ! EPS growth (+10% YoY) outpacing revenue growth (+0% YoY) is unsustainable without revenue acceleration
ChatGPT
  • ! Latest period revenue and net income were flat, which may indicate slower near-term growth momentum
  • ! Thin retail margins leave limited room for cost inflation, wage pressure, or merchandising disruption
  • ! Quick ratio of 0.59x means liquidity depends heavily on steady inventory turnover and operating execution

Key Metrics to Watch

Claude
  • * Revenue growth trajectory and comparable store sales trends
  • * Net margin expansion potential and operating leverage realization
  • * Free cash flow sustainability and capital allocation decisions
  • * Working capital management to improve liquidity ratios
ChatGPT
  • * Revenue and comparable-sales growth
  • * Operating margin and free cash flow trend

Costco Wholesale Corp. /New (COST) Financial Metrics & Key Ratios

Revenue
$136.9B
Net Income
$4.0B
EPS (Diluted)
$9.08
Free Cash Flow
$4.9B
Total Assets
$83.6B
Cash Position
$17.4B

💡 AI Analyst Insight

The relatively thin 3.6% FCF margin may limit capital allocation flexibility.

COST Profit Margin, ROE & Profitability Analysis

Gross Margin 12.0%
Operating Margin 3.7%
Net Margin 2.9%
ROE 12.6%
ROA 4.8%
FCF Margin 3.6%

COST vs Consumer Sector: How Costco Wholesale Corp. /New Compares

How Costco Wholesale Corp. /New compares to Consumer sector averages

Net Margin
COST 2.9%
vs
Sector Avg 8.0%
COST Sector
ROE
COST 12.6%
vs
Sector Avg 18.0%
COST Sector
Current Ratio
COST 1.1x
vs
Sector Avg 1.5x
COST Sector
Debt/Equity
COST 0.2x
vs
Sector Avg 0.8x
COST Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Costco Wholesale Corp. /New Stock Overvalued? COST Valuation Analysis 2026

Based on fundamental analysis, Costco Wholesale Corp. /New has mixed fundamental signals relative to the Consumer sector in 2026.

Return on Equity
12.6%
Sector avg: 18%
Net Profit Margin
2.9%
Sector avg: 8%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.18x
Sector avg: 0.8x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Costco Wholesale Corp. /New Balance Sheet: COST Debt, Cash & Liquidity

Current Ratio
1.06x
Quick Ratio
0.59x
Debt/Equity
0.18x
Debt/Assets
61.6%
Interest Coverage
74.54x
Long-term Debt
$5.7B

COST Revenue & Earnings Growth: 5-Year Financial Trend

COST 5-year financial data: Year 2021: Revenue $195.9B, Net Income $3.7B, EPS $8.26. Year 2022: Revenue $227.0B, Net Income $4.0B, EPS $9.02. Year 2023: Revenue $242.3B, Net Income $5.0B, EPS $11.27. Year 2024: Revenue $254.5B, Net Income $5.8B, EPS $13.14. Year 2025: Revenue $275.2B, Net Income $6.3B, EPS $14.16.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Costco Wholesale Corp. /New's revenue has grown significantly by 40% over the 5-year period, indicating strong business expansion. The most recent EPS of $14.16 reflects profitable operations.

COST Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
3.6%
Free cash flow / Revenue

COST Quarterly Earnings & Performance

Quarterly financial performance data for Costco Wholesale Corp. /New including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q2 2026 $63.7B $1.8B $4.02
Q1 2026 $62.2B $1.8B $4.04
Q3 2025 $58.5B $1.7B $3.78
Q2 2025 $58.4B $1.7B $3.92
Q1 2025 $57.8B $1.6B $3.58
Q3 2024 $53.6B $1.3B $2.93
Q2 2024 $55.3B $1.5B $3.30
Q1 2024 $54.4B $1.4B $3.07

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Costco Wholesale Corp. /New Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$7.7B
Cash generated from operations
Stock Buybacks
$419.0M
Shares repurchased (TTM)
Capital Expenditures
$2.8B
Investment in assets
Dividends Paid
$1.2B
Returned to shareholders

COST SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Costco Wholesale Corp. /New (CIK: 0000909832)

📋 Recent SEC Filings

Date Form Document Action
Apr 15, 2026 8-K cost-20260415.htm View →
Apr 1, 2026 4 xslF345X06/form4.xml View →
Mar 13, 2026 4 xslF345X05/form4.xml View →
Mar 13, 2026 4 xslF345X05/form4.xml View →
Mar 11, 2026 10-Q cost-20260215.htm View →

Frequently Asked Questions about COST

What is the AI rating for COST?

Costco Wholesale Corp. /New (COST) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 81% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are COST's key strengths?

Claude: Exceptional balance sheet strength with minimal leverage (0.18x debt/equity) and substantial cash reserves (17.4B). Excellent cash flow generation with 4.9B free cash flow and strong operating cash flow of 7.7B. ChatGPT: Strong balance sheet with $17.38B in cash, low debt/equity of 0.18x, and very high 74.5x interest coverage. Reliable cash generation with $7.68B operating cash flow and $4.87B free cash flow.

What are the risks of investing in COST?

Claude: Revenue growth stalled at 0% YoY suggesting operational challenges or market saturation. Low quick ratio (0.59x) and tight current ratio (1.06x) may indicate working capital constraints. ChatGPT: Latest period revenue and net income were flat, which may indicate slower near-term growth momentum. Thin retail margins leave limited room for cost inflation, wage pressure, or merchandising disruption.

What is COST's revenue and growth?

Costco Wholesale Corp. /New reported revenue of $136.9B.

Does COST pay dividends?

Costco Wholesale Corp. /New pays dividends, with $1,154.0M distributed to shareholders in the trailing twelve months.

Where can I find COST SEC filings?

Official SEC filings for Costco Wholesale Corp. /New (CIK: 0000909832) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is COST's EPS?

Costco Wholesale Corp. /New has a diluted EPS of $9.08.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is COST a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Costco Wholesale Corp. /New has a BUY rating with 81% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is COST stock overvalued or undervalued?

Valuation metrics for COST: ROE of 12.6% (sector avg: 18%), net margin of 2.9% (sector avg: 8%). Compare these metrics with sector averages to assess valuation.

Should I buy COST stock in 2026?

Our dual AI analysis gives Costco Wholesale Corp. /New a combined BUY rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is COST's free cash flow?

Costco Wholesale Corp. /New's operating cash flow is $7.7B, with capital expenditures of $2.8B. FCF margin is 3.6%.

How does COST compare to other Consumer stocks?

Vs Consumer sector averages: Net margin 2.9% (avg: 8%), ROE 12.6% (avg: 18%), current ratio 1.06 (avg: 1.5).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 19, 2026 | Data as of: 2026-02-15 | Powered by Claude AI